ROS-Ethereum: A Convenient Tool to Bridge ROS and Blockchain (Ethereum)

Algorithm 5

The pseudocode of the SM2 decrypt algorithm.

(i)	Input: the bit string type ciphertext , the private key
(ii)	Output: the bit string type message
(iii)	Initialization: extract byte strings , , and from
(iv)	Begin
(v)
(vi)
(vii)	If equals
(viii)	throw error and exit
(ix)
(x)
(xi)	If equals
(xii)	throw error and exit
(xiii)
(xiv)
(xv)	If not equals
	throw error and exit
	End